Home / 67,446.30-101,181.60-28,007.40

Finding the Fourth Proportional to 67,446.30, 101,181.60 and 28,007.40

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Solution

The fourth proportional to 67,446.30, 101,181.60 and 28,007.40 is: 42,016.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,446.30 : 101,181.60 = 28,007.40 : x
  2. Step 2: Convert to fraction form
    67,446.30/101,181.60 = 28,007.40/x
  3. Step 3: Cross multiply
    67,446.30x = 101,181.60 × 28,007.40
  4. Step 4: Simplify right side
    67,446.30x = 2,833,833,543.84
  5. Step 5: Solve for x
    x = 2,833,833,543.84/67,446.30
  6. Step 6: Final answer
    x = 42,016.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.